What means
The suffix 13458 names its five filled parts.
Kaypro computers running CP/M, an early operating system, used each text cell as eight tiny pixels in the early 1980s; programs could draw without addressing every pixel separately. This pattern maps to hexadecimal byte EE in Kaypro’s normal graphics set. A 2021 Unicode proposal recorded the mapping to preserve old text data and help emulators recreate those screens.
Neighboring octants tile into a larger terminal mosaic.
Don't confuse it with
4Questions people ask
1Why does this octant show as a box or blank?
It’s a rendering-support gap: your font or terminal may lack it. As of 2026, support for octants still varies among terminal emulators.
How to type
Windows (Word)
Alt+XType 1CD8D, then Alt+X to get .
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “block octant-13458”.
Linux
Ctrl+Shift+UType 1cd8d, then Enter or Space.
HTML
𜶍CSS
\1CD8DCodes and encoding1 code points
HTML decimal
𜶍
HTML hex
𜶍
CSS content
content: "\1CD8D";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%9C%B6%8D
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.